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Adam Antal commented on HADOOP-15691: ------------------------------------- Reviewed and had some questions commented on the PR. Great job so far [~ste...@apache.org]. > Add PathCapabilities to FS and FC to complement StreamCapabilities > ------------------------------------------------------------------ > > Key: HADOOP-15691 > URL: https://issues.apache.org/jira/browse/HADOOP-15691 > Project: Hadoop Common > Issue Type: New Feature > Reporter: Steve Loughran > Assignee: Steve Loughran > Priority: Major > Attachments: HADOOP-15691-001.patch, HADOOP-15691-002.patch, > HADOOP-15691-003.patch, HADOOP-15691-004.patch > > > Add a {{PathCapabilities}} interface to both FileSystem and FileContext to > declare the capabilities under the path of a filesystem through both the > FileSystem and FileContext APIs > This is needed for > * HADOOP-14707: declare that a dest FS supports permissions > * object stores to declare that they offer PUT-in-place alongside > (slow-rename) > * Anything else where the implementation semantics of an FS is so different > caller apps would benefit from probing for the underlying semantics > I know, we want all filesystem to work *exactly* the same. But it doesn't > hold, especially for object stores —and to efficiently use them, callers need > to be able to ask for specific features. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org